Updating version to 15.0.2

Author: tannergooding

Directory.Build.props

@@ -45,7 +45,7 @@
     <PackageOutputPath>$(BaseArtifactsPath)pkg/$(Configuration)/</PackageOutputPath>
     <Product>ClangSharp</Product>
     <RootNamespace>ClangSharp</RootNamespace>
-    <VersionPrefix>15.0.1</VersionPrefix>
+    <VersionPrefix>15.0.2</VersionPrefix>
     <VersionSuffix Condition="'$(EXCLUDE_SUFFIX_FROM_VERSION)' != 'true'">rc1</VersionSuffix>
     <VersionSuffix Condition="'$(GITHUB_EVENT_NAME)' == 'pull_request'">pr</VersionSuffix>
   </PropertyGroup>